package com.eshealthy.utils;

import com.auth0.jwt.JWT;
import com.auth0.jwt.JWTCreator;
import com.auth0.jwt.algorithms.Algorithm;
import com.auth0.jwt.interfaces.DecodedJWT;

import java.util.Calendar;
import java.util.Map;

public class JWTUtils {
    private static final String SING="!Q@W3e4r&%.84445ewf";
    /*
    * 生成token
    * */
    public static String getToken(Map<String,String> map) {
        Calendar instance = Calendar.getInstance();
        instance.add(Calendar.DATE,1);
        JWTCreator.Builder builder=JWT.create();
        map.forEach((k,v)->{
            builder.withClaim(k,v);
        });
        String token=builder.withExpiresAt(instance.getTime())
                .sign(Algorithm.HMAC256(SING));
        return token;

    }
    /*验证token
    * */
    public static DecodedJWT verify(String token){
        return JWT.require(Algorithm.HMAC256(SING)).build().verify(token);
    }
    /*
    * 获取token信息
    * */
    public static DecodedJWT getTokenInfo(String token){
       DecodedJWT verify=JWT.require(Algorithm.HMAC256(SING)).build().verify(token);
       return verify;
    }
}
